function showDS(){
  	  var objSpecButton = document.getElementById('div_specbutton');  //get reference to Specifications button
	  
  	  if(DocURL != '' || multiSheet==true) {
  	       document.getElementById('floatds').style.display = "inline";  //show Download Datasheet button
		   objSpecButton.style.visibility = "visible";  //show Specifications button
		   objSpecButton.style.position = 'absolute';
		   objSpecButton.style.top = document.getElementById('floatds').offsetTop + 30;
		   objSpecButton.style.left = document.getElementById('floatds').offsetLeft;
	  }
	  else {  //no Download Datasheet button, so place Specificatios button in its place
	  	   document.getElementById('floatds').style.display = "inline";  //temporarily show to use it's position attributes
	  	   objSpecButton.style.visibility = "visible";  //show Specifications button
		   objSpecButton.style.position = 'absolute';
		   objSpecButton.style.top = document.getElementById('floatds').offsetTop;
		   objSpecButton.style.left = document.getElementById('floatds').offsetLeft;
		   document.getElementById('floatds').style.display = "none";  //re-hide
	  }
  }
  
  function moveSpecs(){
  		   //move Specifications button relative to new position of Download Datasheet button
  		   var objSpecButton = document.getElementById('div_specbutton');  //get reference to Specifications button
		   
		   if(document.getElementById('floatds').display=='none') {
		   		objSpecButton.style.position = 'absolute';
		   		objSpecButton.style.top = document.getElementById('floatds').offsetTop + 30;
		   		objSpecButton.style.left = document.getElementById('floatds').offsetLeft;
			}
			else {	
				objSpecButton.style.top = document.getElementById('floatds').offsetTop + 30;
		   		objSpecButton.style.left = document.getElementById('floatds').offsetLeft;
			}
  }
  
  function godatasheet(){
  	  var theMenu = document.getElementById('DatasheetMenu');
  	  
	  if(multiSheet==true) {
	  	   theMenu.style.position = 'absolute';
		   theMenu.style.top = document.getElementById('floatds').offsetTop + 25;
		   theMenu.style.left = document.getElementById('floatds').offsetLeft;
		   theMenu.style.visibility = 'visible';
	  }
	  else {
	  	   if(DocURL != '')
  	  	        window.open('/documents/' + DocURL, "docwindow");
				//document.location.href='/documents/' + DocURL;
	  }
  }
  
  function hideDSmenu() {
      document.getElementById('DatasheetMenu').style.visibility='hidden';
  }